package br.com.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class FilterSessao implements Filter {
    public FilterSessao() {

    }
	public void destroy() {

	}
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;
		res.setContentType("text/html;charset=UTF-8");
		Object sessao = req.getSession().getAttribute("esta_logado");
		if (sessao != null && req.getServletPath().equals("../in_log/index")){
			res.sendRedirect("../index");
		} else {
			chain.doFilter(request, response);
		}
	}
	public void init(FilterConfig fConfig) throws ServletException {

	}

}
